<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <comp><div slot="qianmian">前面</div><div slot="houmian">后面</div></comp>
    </div>
    <script src="./node_modules/vue/dist/vue.js"></script>
    <script>

        Vue.component("comp", {
            template: "<div><slot name='qianmian'></slot>123<slot name='houmian'></slot></div>"
        })

        var vm = new Vue({
            el: "#app",
            data: {
            }
        })
    </script>
</body>

</html>